Otto Eberhardt Patronenfabrik (English: "Otto Eberhardt Cartridge Factory") was a munitions company established in 1860. The company's ''

Hirtenberg Hirtenberg is a town of approx. 2,500 inhabitants near Baden bei Wien in Lower Austria, Austria. The river Triesting is located at the south border of the town. Coming from the Vienna Woods, the valley of Triesting joins the Vienna Basin here. Ne ...

er Patronen, Zündhütchen und Metallwarenfabrik'' (English: "cartridge, primer and metalware fabrication in Hirtenberg") near

Wiener Neustadt Wiener Neustadt (; Lower_Austria.html" ;"title=".e. Lower Austria">.e. Lower Austria , ) is a city located south of Vienna, in the state of Lower Austria, in northeast Austria. It is a self-governed city and the seat of the district administr ...

(proofmark "am") used

forced labor Forced labour, or unfree labour, is any work relation, especially in modern or early modern history, in which people are employed against their will with the threat of destitution, detention, or violence, including death or other forms of ...

during

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

from a sub-camp of the

Mauthausen-Gusen concentration camp Mauthausen was a German Nazi concentration camp on a hill above the market town of Mauthausen, Upper Austria, Mauthausen (roughly east of Linz), Upper Austria. It was the main camp of a group with List of subcamps of Mauthausen, nearly 100 f ...

and produced ammunition including

9×19mm Parabellum The 9×19mm Parabellum (also known as 9mm Luger, 9mm NATO or simply 9mm) is a Rim (firearms)#Rimless, rimless, Centerfire ammunition, centerfire, tapered cartridge (firearms), firearms cartridge. Originally designed by Austrian firearm designer ...

(pistol and submachine gun) and 8 mm Mauser (rifle) cartridges. The company also had a factory in

Ronsdorf Ronsdorf is a district of the Germany, German city of Wuppertal. It has a population of about 22,500. Ronsdorf was first mentioned in 1494, and in 1745 it received its town charter. It was founded a few years earlier by Elias Eller when he relocated ...

near

Wuppertal Wuppertal (; ) is a city in North Rhine-Westphalia, in western Germany, with a population of 355,000. Wuppertal is the seventh-largest city in North Rhine-Westphalia and List of cities in Germany by population, 17th-largest in Germany. It ...

(proofmark "ap") which produced rifles. Additional ''Gustloff'' facilities were in

Meiningen Meiningen () is a town in the southern part of the state of Thuringia, Germany. It is located in the region of Franconia and has a population of around 26,000 (2024).

and

Weimar Weimar is a city in the state (Germany), German state of Thuringia, in Central Germany (cultural area), Central Germany between Erfurt to the west and Jena to the east, southwest of Leipzig, north of Nuremberg and west of Dresden. Together w ...

Hirtenberg aircraft

Otto Eberhardt Patronenfabrik also purchased the assets of the Hopfner aircraft company in 1935. They continued production of both de Havilland- and Siemens-powered aircraft under the Hirtenberg brand. They produced the Hirtenberg HS.9 under their brand.

Unbuilt projects

From * Hopfner H.A.M.11 (amphibious twin-engine aircraft based on H.A.11/33) * H.M.15 (six-seat, twin-engine military aircraft based on the HV.15)

References

External links

* {{Authority control Manufacturing companies established in 1860 Defunct companies of Austria Economy of Lower Austria Austria in World War II